V2EX texel

Texel

定义 Definition

texel(纹素/纹理像素)指在计算机图形学中,纹理(texture)空间里的一个“像素单位”,用于把二维纹理图像映射到三维模型表面。常见于纹理映射、采样(sampling)与过滤(filtering)等概念中。(也可泛指“纹理元素”。)

发音 Pronunciation

/tksl/

例句 Examples

A texel stores the color information of a texture.
纹素存储纹理的颜色信息。

When the camera moves closer, the renderer may sample more texels per pixel to reduce aliasing and improve detail.
当镜头靠近时,渲染器可能会对每个像素采样更多纹素,以减少锯齿并提升细节。

词源 Etymology

texeltexture(纹理)与 pixel(像素)的混成词(portmanteau),强调它不是屏幕上的像素,而是“纹理中的像素单位”,用于描述纹理坐标空间与采样过程中的基本元素。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Real-Time Rendering(Akenine-Mller, Haines, Hoffman)
  • Computer Graphics: Principles and Practice(Hughes 等)
  • Physically Based Rendering: From Theory to Implementation(Pharr, Jakob, Humphreys)
  • OpenGL Programming Guide(又称 “Red Book”,多版本)
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